Exit alarm lock



FIG. 1 is a perspective view of an exit alarm lock showing our new design;

FIG. 2 is a front view of a design of exit alarm lock according to the present invention, the rear being unornamented;

FIG. 3 is a bottom view of a design of exit alarm lock according to the present invention;

FIG. 4 is a top view of a design of exit alarm lock according to the present invention;

FIG. 5 is a left side view of a design of exit alarm lock according to the present invention; and,

FIG. 6 is a right side view of a design of exit alarm lock according to the present invention.

The broken line disclosure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for the design of an exit alarm lock, as shown and described. 